Home / 121,629.36-182,507.16-92,038.32

Finding the Fourth Proportional to 121,629.36, 182,507.16 and 92,038.32

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Solution

The fourth proportional to 121,629.36, 182,507.16 and 92,038.32 is: 138,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,629.36 : 182,507.16 = 92,038.32 : x
  2. Step 2: Convert to fraction form
    121,629.36/182,507.16 = 92,038.32/x
  3. Step 3: Cross multiply
    121,629.36x = 182,507.16 × 92,038.32
  4. Step 4: Simplify right side
    121,629.36x = 16,797,652,394.37
  5. Step 5: Solve for x
    x = 16,797,652,394.37/121,629.36
  6. Step 6: Final answer
    x = 138,105.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.